The U.S. Navy detected what sounded like an implosion off the North Atlantic coast around the time the OceanGate submersible lost communication with its mothership on Sunday, NBC reporter Tom Costello ...

SILVERDALE — The U.S. Navy has released its final environmental impact statement on its proposals for use of sonar and explosives for training and testing in the Puget Sound, Strait of Juan de Fuca ...

The Navy has successfully tested an underwater communications system that allows submarines to communicate at speed and depth. The Deep Siren acoustic communications system permits submarines to relay ...

SEATTLE — Two environmental groups filed a federal lawsuit against the Navy on Tuesday, saying a training program using underwater explosives poses an unacceptable hazard to marine life in Puget Sound ...

WASHINGTON — The U.S. Navy expects to reopen one submarine repair dry dock in Washington by April, with a second opening in May and the third by June, after they were closed due to emerging concerns ...

Bomb technicians from the Navy detonated a "dated military mine" on Tuesday that was found floating for hours in Washington's Puget Sound between Brownsville Marina and Bainbridge Island. The Navy ...

BROWNSVILLE, Wash. - The U.S. Navy is trying figure out where a Naval mine came from that was discovered Tuesday near the Brownsville Marina in Kitsap County. The Navy said Wednesday it uses mines in ...